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120 lines
2.9 KiB
C
120 lines
2.9 KiB
C
/*
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* Written by Daniel Richards <kyhwana@world-net.co.nz> 6/7/2002
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* hash.c: This app uses libtomcrypt to hash either stdin or a file
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* This file is Public Domain. No rights are reserved.
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* Compile with 'gcc hashsum.c -o hashsum -ltomcrypt'
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* This example isn't really big enough to warrent splitting into
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* more functions ;)
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*/
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#include <tomcrypt.h>
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int errno;
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void register_algs();
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int main(int argc, char **argv)
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{
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int idx, x, z;
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unsigned long w;
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unsigned char hash_buffer[MAXBLOCKSIZE];
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hash_state md;
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/* You need to register algorithms before using them */
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register_algs();
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if (argc < 2) {
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printf("usage: ./hash algorithm file [file ...]\n");
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printf("Algorithms:\n");
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for (x = 0; hash_descriptor[x].name != NULL; x++) {
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printf(" %s (%d)\n", hash_descriptor[x].name, hash_descriptor[x].ID);
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}
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exit(EXIT_SUCCESS);
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}
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idx = find_hash(argv[1]);
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if (idx == -1) {
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fprintf(stderr, "\nInvalid hash specified on command line.\n");
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return -1;
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}
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if (argc == 2) {
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hash_descriptor[idx].init(&md);
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do {
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x = fread(hash_buffer, 1, sizeof(hash_buffer), stdin);
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hash_descriptor[idx].process(&md, hash_buffer, x);
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} while (x == sizeof(hash_buffer));
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hash_descriptor[idx].done(&md, hash_buffer);
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for (x = 0; x < (int)hash_descriptor[idx].hashsize; x++) {
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printf("%02x",hash_buffer[x]);
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}
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printf(" (stdin)\n");
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} else {
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for (z = 2; z < argc; z++) {
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w = sizeof(hash_buffer);
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if ((errno = hash_file(idx,argv[z],hash_buffer,&w)) != CRYPT_OK) {
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printf("File hash error: %s\n", error_to_string(errno));
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} else {
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for (x = 0; x < (int)hash_descriptor[idx].hashsize; x++) {
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printf("%02x",hash_buffer[x]);
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}
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printf(" %s\n", argv[z]);
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}
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}
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}
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return EXIT_SUCCESS;
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}
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void register_algs(void)
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{
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int err;
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#ifdef TIGER
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register_hash (&tiger_desc);
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#endif
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#ifdef MD2
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register_hash (&md2_desc);
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#endif
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#ifdef MD4
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register_hash (&md4_desc);
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#endif
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#ifdef MD5
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register_hash (&md5_desc);
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#endif
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#ifdef SHA1
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register_hash (&sha1_desc);
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#endif
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#ifdef SHA224
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register_hash (&sha224_desc);
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#endif
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#ifdef SHA256
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register_hash (&sha256_desc);
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#endif
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#ifdef SHA384
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register_hash (&sha384_desc);
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#endif
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#ifdef SHA512
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register_hash (&sha512_desc);
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#endif
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#ifdef RIPEMD128
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register_hash (&rmd128_desc);
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#endif
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#ifdef RIPEMD160
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register_hash (&rmd160_desc);
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#endif
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#ifdef WHIRLPOOL
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register_hash (&whirlpool_desc);
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#endif
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#ifdef CHC_HASH
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register_hash(&chc_desc);
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if ((err = chc_register(register_cipher(&aes_enc_desc))) != CRYPT_OK) {
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printf("chc_register error: %s\n", error_to_string(err));
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exit(EXIT_FAILURE);
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}
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#endif
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}
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/* $Source: /cvs/libtom/libtomcrypt/demos/hashsum.c,v $ */
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/* $Revision: 1.2 $ */
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/* $Date: 2005/05/05 14:35:56 $ */
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